AND8236/D
... set to a value well below the trigger voltage as depicted Figure 1. At this point, no current flows and the system is stable until a trigger voltage is applied to the third electrode. This high voltage pulse, in the 1 kV range for the considered low power lamp, comes from a transformer built with a ...
... set to a value well below the trigger voltage as depicted Figure 1. At this point, no current flows and the system is stable until a trigger voltage is applied to the third electrode. This high voltage pulse, in the 1 kV range for the considered low power lamp, comes from a transformer built with a ...
AN-9744 Smart LED Lamp Driver IC with PFC Function
... digital control algorithm. The FL7701 has an internal selfbiasing circuit that is a current source using a high-voltage switching device. When the input voltage is applied to the HV pin is over 25 V to 500 V, the FL7701 maintains a 15.5 VDC at the VCC pin. The FL7701 also has a UVLO block for stable ...
... digital control algorithm. The FL7701 has an internal selfbiasing circuit that is a current source using a high-voltage switching device. When the input voltage is applied to the HV pin is over 25 V to 500 V, the FL7701 maintains a 15.5 VDC at the VCC pin. The FL7701 also has a UVLO block for stable ...
npn pnp - Portland State University
... Monitor the input and output signals in the oscilloscope. It is convenient to first monitor the output voltage vout with the oscilloscope set to DC mode, so you can be track whether its value is saturate or not. Measure the AC voltage amplification, as well as the relative phase between the input an ...
... Monitor the input and output signals in the oscilloscope. It is convenient to first monitor the output voltage vout with the oscilloscope set to DC mode, so you can be track whether its value is saturate or not. Measure the AC voltage amplification, as well as the relative phase between the input an ...
Clock Oscillator Basics
... varies with an applied control voltage. The frequency stability of the oscillator is a function of many ...
... varies with an applied control voltage. The frequency stability of the oscillator is a function of many ...
Spec Sheet - Tycon Systems Inc
... The UPSPro™ series outdoor enclosures are designed for applications that require a backup power source in order to maintain uninterrupted service to customers. The enclosure is powered over a CAT5 network cable via Power Over Ethernet (POE) using a POE Supply/Inserter (included). Features include an ...
... The UPSPro™ series outdoor enclosures are designed for applications that require a backup power source in order to maintain uninterrupted service to customers. The enclosure is powered over a CAT5 network cable via Power Over Ethernet (POE) using a POE Supply/Inserter (included). Features include an ...
AND9056 - High Performance IGBT for Induction Heating
... turn-off losses at all power levels. Furthermore, the NGTB25N120IHL has the weakest turn-off power loss dependence on IH cooking power level. This makes it suitable for use in IH applications having a wide range of cooking power levels. 3. We see from Figure 6 that, the percentage of conduction and ...
... turn-off losses at all power levels. Furthermore, the NGTB25N120IHL has the weakest turn-off power loss dependence on IH cooking power level. This makes it suitable for use in IH applications having a wide range of cooking power levels. 3. We see from Figure 6 that, the percentage of conduction and ...
Control of Voltage Source Converters for Power
... asynchronous interconnections by using overhead lines or underground cables. One of the most important aspects of HVDC systems is its fast and stable controllability. It is a well-established technology and since its first commercial introduction in 1954 in Sweden more than 50 projects have been rea ...
... asynchronous interconnections by using overhead lines or underground cables. One of the most important aspects of HVDC systems is its fast and stable controllability. It is a well-established technology and since its first commercial introduction in 1954 in Sweden more than 50 projects have been rea ...
EEM 4.4-3 Three-phase motor with slip
... Measurement, calculation and display of mechanical and electrical variables (Speed, torque, mechanical power output, current, voltage, active, apparent and reactive power, efficiency, power factor) Simultaneous display of measured and calculated values (e.g. instant display of efficiency) Measuremen ...
... Measurement, calculation and display of mechanical and electrical variables (Speed, torque, mechanical power output, current, voltage, active, apparent and reactive power, efficiency, power factor) Simultaneous display of measured and calculated values (e.g. instant display of efficiency) Measuremen ...
Practical Problems
... This can be checked as, I1F.L.= (KVA x 1000)/V2 = (25 x 1000/110 = 227.272 A total copper loss = I12 R1 + I22 R2 = (11.3636)2 x 1.75 + (227.373)2 x 0.0045 = 225.98 + 232.4365 = 458.419 W ...
... This can be checked as, I1F.L.= (KVA x 1000)/V2 = (25 x 1000/110 = 227.272 A total copper loss = I12 R1 + I22 R2 = (11.3636)2 x 1.75 + (227.373)2 x 0.0045 = 225.98 + 232.4365 = 458.419 W ...
Recloser Application Notes - Association of Municipal Electricity
... Introduction Automatic Circuit Reclosers (ACR) have been around in one form or another for over half a century. Studies of faults on overhead distribution lines have shown that most are transient and can be cleared without interrupting customer supply. This is especially true of areas that experienc ...
... Introduction Automatic Circuit Reclosers (ACR) have been around in one form or another for over half a century. Studies of faults on overhead distribution lines have shown that most are transient and can be cleared without interrupting customer supply. This is especially true of areas that experienc ...
TWACS Technology For AMI and Smart Grid Implementation
... and the interval of data collection is remotely programmable. • Hence the collected data can be related to location in the electric distribution network and related to time at which the data is taken with all other transponders at the distribution network. • These attributes will prove to be very us ...
... and the interval of data collection is remotely programmable. • Hence the collected data can be related to location in the electric distribution network and related to time at which the data is taken with all other transponders at the distribution network. • These attributes will prove to be very us ...
Low Voltage Power Circuit Breaker
... delay (STD) setting on a circuit breaker can negate the function of protecting the circuit components. A low voltage power circuit breaker with a short-time delay and without instantaneous trip, permits a fault to flow for the length of time of the STD setting, which might be 6, 12, 18, 24 or 30 cyc ...
... delay (STD) setting on a circuit breaker can negate the function of protecting the circuit components. A low voltage power circuit breaker with a short-time delay and without instantaneous trip, permits a fault to flow for the length of time of the STD setting, which might be 6, 12, 18, 24 or 30 cyc ...
Electronic-Fault-Finding-Task-Book
... be done differently. Indeed there are better more modern methods available for making circuits such as this which require fewer components. Your task is to choose one of those elements and show how its function could be achieved using another circuit. You could of course attempt to show how the enti ...
... be done differently. Indeed there are better more modern methods available for making circuits such as this which require fewer components. Your task is to choose one of those elements and show how its function could be achieved using another circuit. You could of course attempt to show how the enti ...
Insulation condition assessment of medium voltage power
... For of-line measurements the set-up as shown in figure 10 has been used. For this purpose the cable was disconnected from the network and the OWTS unit consisting HV coil was connected to the cable section. The results of testing several cable sections using both measuring methods confirm that when ...
... For of-line measurements the set-up as shown in figure 10 has been used. For this purpose the cable was disconnected from the network and the OWTS unit consisting HV coil was connected to the cable section. The results of testing several cable sections using both measuring methods confirm that when ...
Power Network Applications (PNA)
... – Use what works for you. – Fast Decoupled was developed for improved performance… may not be that much of a factor with faster CPUs. – “Newton algorithm is best” - an instructor’s ...
... – Use what works for you. – Fast Decoupled was developed for improved performance… may not be that much of a factor with faster CPUs. – “Newton algorithm is best” - an instructor’s ...
CM-MPS.11, CM-MPS-21, CM-MPS.31 and CM
... CAD system files You can find the CAD files for CAD systems at http://abb-control-products.partcommunity.com/PARTcommunity/Portal/abb-control-products -> Low Voltage Products & Systems -> Control Products -> Electronic Relays and Controls -> Three Phase Monitors -> CM-MPx - Three Phase Monitors. ...
... CAD system files You can find the CAD files for CAD systems at http://abb-control-products.partcommunity.com/PARTcommunity/Portal/abb-control-products -> Low Voltage Products & Systems -> Control Products -> Electronic Relays and Controls -> Three Phase Monitors -> CM-MPx - Three Phase Monitors. ...
Development of a microcontroller-based, photovoltaic maximum
... register is used to store the PWM duty cycle in the present application, the value of “ ” is made equal to 1/256. Initially, the value of “Slope” is set to 1. In each iteration, the dc/dc converter input voltage and current are measured and the input power is calculated. The input power is compared ...
... register is used to store the PWM duty cycle in the present application, the value of “ ” is made equal to 1/256. Initially, the value of “Slope” is set to 1. In each iteration, the dc/dc converter input voltage and current are measured and the input power is calculated. The input power is compared ...